16159814845440 has 352 divisors, whose sum is σ = 59187527884800. Its totient is φ = 3686316343296.

The previous prime is 16159814845429. The next prime is 16159814845477. The reversal of 16159814845440 is 4454841895161.

It is a happy number.

It is a super-2 number, since 2×16159814845440² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53933161 + ... + 54231959.

Almost surely, 2^{16159814845440} is an apocalyptic number.

16159814845440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16159814845440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29593763942400).

16159814845440 is an abundant number, since it is smaller than the sum of its proper divisors (43027713039360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16159814845440 is a wasteful number, since it uses less digits than its factorization.

16159814845440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299337 (or 299319 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 60.

The spelling of 16159814845440 in words is "sixteen trillion, one hundred fifty-nine billion, eight hundred fourteen million, eight hundred forty-five thousand, four hundred forty".